/[cmucl]/src/general-info/release-19b.txt
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1 ========================== C M U C L 19 b =============================
2
3 [--- WORK IN PROGRESS --- DO NOT DISTRIBUTE ---]
4
5 The CMUCL project is pleased to announce the release of CMUCL 19b.
6 This is a major release which contains numerous enhancements and
7 bugfixes from the 19a release.
8
9 CMUCL is a free, high performance implementation of the Common Lisp
10 programming language which runs on most major Unix platforms. It
11 mainly conforms to the ANSI Common Lisp standard. CMUCL provides a
12 sophisticated native code compiler; a powerful foreign function
13 interface; an implementation of CLOS, the Common Lisp Object System,
14 which includes multimethods and a metaobject protocol; a source-level
15 debugger and code profiler; and an Emacs-like editor implemented in
16 Common Lisp. CMUCL is maintained by a team of volunteers collaborating
17 over the Internet, and is mostly in the public domain.
18
19 New in this release:
20
21 * Feature enhancements:
22 - Added a much faster and much less consy bignum printer and a
23 faster bignum reader.
24 - Extended REQUIRE to support *MODULE-PROVIDER-FUNCTIONS* from
25 SBCL.
26 - NetBSD supported
27 - SIMPLE-STREAM fixes:
28 o READ-SEQUENCE and WRITE-SEQUENCE for
29 signed-byte/unsigned-byte 8 streams.
30 o Memory-mapped file streams.
31 - Large file support for Solaris, so CMUCL can handle files
32 larger than 2GB.
33
34 * Numerous ANSI compliance fixes:
35 - FILE-AUTHOR should signal errors appropriately.
36 - CMUCL was computing the wrong value for some special functions
37 when the argument was on the branch cut for the function.
38 - MULTIPLE-VALUE-BIND accepts &REST and friends in the var list.
39 - When constructing logical pathnames, all components will be
40 automatically upcased. Needed for print/read consistency, and
41 fixes an issue with ASDF and logical pathnames.
42
43 * Numerous bugfixes:
44 - FFLOOR and friends preserve the sign of the arg, so -0.0 is
45 returned for negative args.
46 - EXPT sometimes returne NaN instead of 1 when the power was 0.
47 - Weak pointers don't have O(n^2) GC behavior anymore.
48
49 * Other changes:
50
51 * Numerous improvements to the PCL implementation of CLOS:
52
53 * Improvements to Hemlock, the Emacs-like editor:
54
55 * Changes to rebuilding procedure:
56
57 * Deprecated features:
58
59 This release is not binary compatible with code compiled using CMUCL
60 19a; you will need to recompile FASL files.
61
62 See <URL:http://www.cons.org/cmucl/> for download information,
63 guidelines on reporting bugs, and mailing list details.
64
65
66 We hope you enjoy using this release of CMUCL!
67

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